Metals Standard Back Catalog number: 59617 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680348 Cephalothin, 250mg Price on request 73304 Methyl octadecanoate (C18:0) Price on request 10407.4-K-ME O,O-Diethyldithiophosphate, ammonium salt Price on request